package com.atguigu.product;

import com.alibaba.cloud.nacos.NacosConfigManager;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;

import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
@EnableFeignClients("com.atguigu.product.feign")
@EnableDiscoveryClient
@SpringBootApplication
public class OrderMainApplication {


    public static void main(String[] args) {
        SpringApplication.run(OrderMainApplication.class,args);
    }
     @Bean
    ApplicationRunner applicationRunner(NacosConfigManager nacosConfigManager) {
        return args -> {
            ConfigService configService = nacosConfigManager.getConfigService();
            configService.addListener(
                    "application.yml",
                    "order",
                    new Listener() {
                        @Override
                        public Executor getExecutor() {
                            return Executors.newFixedThreadPool(4);
                        }

                        @Override
                        public void receiveConfigInfo(String configInfo) {
                            System.out.println("变化的配置信息：" + configInfo);
                            System.out.println("邮件通知...");
                        }
                    }
            );
            System.out.println("================");
        };



    }
}
